Federal agents executed search warrants at several Southern California sites they say are connected to three multimillion-dollar birth-tourism businesses that enabled thousands of Chinese women to travel here and return home with infants born as U.S. citizens.

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Business & Finance

NBC News is bringing in new leadership after several high-profile stumbles, according to a senior executive familiar with the situation, with Andrew Lack, a former president of NBC News, in talks to take a senior role in the division

Hillary Clinton’s supporters defended her use of a private email account for official business as secretary of state, while Republicans said the practice raised questions about her commitment to transparency.

As Manny Pacquiao begins preparing for his May 2 showdown with Floyd Mayweather Jr., his trainer is wary of one particular aspect of the opponent’s game: Mayweather’s habit of trash-talking in the ring.

Today in Capital Journal Daybreak

WSJ’s Jerry Seib reviews the history of tense moments between the White House and close ally Israel; what the Supreme Court challenge means for the health law; and, more in the email newsletter. Sign up

In photos selected Monday by Wall Street Journal editors, rescue workers put out a fire in South Africa, rebel fighters in Syria take positions on the front line, men play shuffleboard in Florida and more.